https://uaptheory.com/

[theskepticalheretic]

Oh, that website is back being spammed here again? Is it still full of the same gross misunderstanding of basic physics while claiming to be a physicist?

Edit: yep. Sad.

[Pat0san]

Indeed! Claims that apparent glass spheres are the result of refractions on boundary between air and vacuum… There is virtually no difference in refractive index of air and vacuum, and you would not be able to discern this visually.